Transport of materials along a concentration gradient from high to low concentrations is called passive transport
My guess on this question is C
The removal of Balanus shows that the realized niche of Chthamalus is smaller than its fundamental niche. <span>These two species of barnacle do not show competitive exclusion.</span>
Answer:
Yes they are becuase of mixed breeding pls sub to Beast_Building on yt since i helped :) !!!
Explanation: